The tangram is a dissection puzzle consisting of seven flat shapes,
called tans, which are put together to form shapes. The objective of the
puzzle is to form a specific shape (given only an outline or
silhouette) using all seven pieces, which may not overlap. It was
originally invented in China at some unknown point in history, and then
carried over to Europe by trading ships in the early 19th century. It
became very popular in Europe for a time then, and then again during
World War I. It is one of the most popular dissection puzzles in the
world.
Com tecnologia do Blogger.
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